Home / 12,174.29-18,262.44-3,854.07

Finding the Fourth Proportional to 12,174.29, 18,262.44 and 3,854.07

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Solution

The fourth proportional to 12,174.29, 18,262.44 and 3,854.07 is: 5,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,174.29 : 18,262.44 = 3,854.07 : x
  2. Step 2: Convert to fraction form
    12,174.29/18,262.44 = 3,854.07/x
  3. Step 3: Cross multiply
    12,174.29x = 18,262.44 × 3,854.07
  4. Step 4: Simplify right side
    12,174.29x = 70,384,722.13
  5. Step 5: Solve for x
    x = 70,384,722.13/12,174.29
  6. Step 6: Final answer
    x = 5,781.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.